On 3 March 2014 19:57, Alfredo Barrero <[email protected]> wrote:
> Good night everyone,
>
> My name is Alfredo Barrero and I'm getting started with RoR. I have been
> learning with "Agile Web Development".
>
> Now I'm trying to do my own web application. I have a problem and I don't
> know what I'm doing wrong, could you please give me a hand?.
>
> This is what I'm trying to do:
>
> <%= button_to 'Add Photo' , home_add_path(user_id: user) %>
>
> I have this line on "routes.rb" => get '/home/add' => 'photos#add', but the
> browser gives me this error
>
> undefined local variable or method `user' for
> #<#<Class:0x007fe075485dc0>:0x007fe0738e8d38>
>
> The question is, how can I call a method from a html.erb?.

Your book should tell you how to setup data in a controller for access
from a view, using @variables.

Colin

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